(19)
(11) EP 2 769 265 A1

(12)

(43) Date of publication:
27.08.2014 Bulletin 2014/35

(21) Application number: 12841745.8

(22) Date of filing: 19.10.2012
(51) International Patent Classification (IPC): 
G03B 21/00(2006.01)
G02B 27/22(2006.01)
G02B 27/18(2006.01)
G03B 35/18(2006.01)
(86) International application number:
PCT/IB2012/055749
(87) International publication number:
WO 2013/057714 (25.04.2013 Gazette 2013/17)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 20.10.2011 US 201161549580 P

(71) Applicant: IMAX CORPORATION
Mississauga, Ontario L5K 1B1 (CA)

(72) Inventors:
  • IVERSEN, Steen, Svendstorp
    DK-1172 Copenhagen (DK)
  • TAN, Weining
    Mississauga, Ontario L5L 4P7 (CA)
  • O'DOR, Matthew
    Toronto, Ontario M6R 1M1 (CA)

(74) Representative: Phillips & Leigh 
5 Pemberton Row
London EC4A 3BA
London EC4A 3BA (GB)

   


(54) INVISIBLE OR LOW PERCEPTIBILITY OF IMAGE ALIGNMENT IN DUAL PROJECTION SYSTEMS